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Finding the Fourth Proportional to 337,512.10, 506,274.15 and 100,857.70

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Solution

The fourth proportional to 337,512.10, 506,274.15 and 100,857.70 is: 151,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,512.10 : 506,274.15 = 100,857.70 : x
  2. Step 2: Convert to fraction form
    337,512.10/506,274.15 = 100,857.70/x
  3. Step 3: Cross multiply
    337,512.10x = 506,274.15 × 100,857.70
  4. Step 4: Simplify right side
    337,512.10x = 51,061,646,338.46
  5. Step 5: Solve for x
    x = 51,061,646,338.46/337,512.10
  6. Step 6: Final answer
    x = 151,288.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.